"Conditional add to Collection", "Add validater interface", "ErrorInterface", "concat messages or even better option to take funcName "

Closes #30, #36, #37, #38, #49

## Introduction

"Conditional add to Collection", "Add validater interface", "ErrorInterface", "concat messages or even better option to take funcName "

Note: [Template Reference](https://hackmd.io/@akarimevatix/H1Qsmq23w)

## Worked on Items

- [x] #30 - eithererr for function
- [x] #36 - concat messages or even better option to take funcName
- [x] #37 - ErrorInterface
- [x] #38 - Add validater interface
- [x] #49 - errorwrappers add func() *errorwrapper

## TODOs

- NA

## References

- N/A

## Notes

- N/A

See merge request !29